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drm/ttm: Delete an unnecessary check before the function call "ttm_tt_destroy" 

The ttm_tt_destroy() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/54338f58-830c-a8b4-4554-5d4459bcd321@users.sourceforge.net
This commit is contained in:
Markus Elfring 2016-07-18 16:06:18 +02:00 committed by Daniel Vetter
parent bf0901731d
commit a1bf09e69f
1 changed files with 1 additions and 3 deletions
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4
drivers/gpu/drm/ttm/ttm_bo.c
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@ -146,9 +146,7 @@ static void ttm_bo_release_list(struct kref *list_kref)
BUG_ON(bo->mem.mm_node != NULL);
BUG_ON(!list_empty(&bo->lru));
BUG_ON(!list_empty(&bo->ddestroy));
if (bo->ttm)
ttm_tt_destroy(bo->ttm);
ttm_tt_destroy(bo->ttm);
atomic_dec(&bo->glob->bo_count);
if (bo->resv == &bo->ttm_resv)
reservation_object_fini(&bo->ttm_resv);